Computing in the 20th Century
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Questions and Answers

What was the primary purpose of the ENIAC computer?

  • To create a graphical interface
  • To perform census taking
  • To decode secret messages from German forces
  • To calculate firing tables for various weapons (correct)
  • Which of the following computers was the first to use binary instead of decimal?

  • EDVAC (correct)
  • UNIVAC
  • Bombe
  • ENIAC
  • Who developed the Bombe computer?

  • Steve Wozniak
  • Alan Turing (correct)
  • Steve Jobs
  • Bill Gates
  • What was the primary purpose of the Bombe computer?

    <p>To decode secret messages from German forces</p> Signup and view all the answers

    Who founded Microsoft in 1975?

    <p>Bill Gates and Paul Allen</p> Signup and view all the answers

    What was the graphical interface introduced by Windows in 1985?

    <p>Graphical interface</p> Signup and view all the answers

    What was the first commercially produced electronic computer in the United States?

    <p>UNIVAC</p> Signup and view all the answers

    What was the name of the machine used by German forces to encode secret messages?

    <p>Enigma</p> Signup and view all the answers

    Who created the Apple Computer in 1976?

    <p>Steve Jobs, Steve Wozniak, and Ronald Wayne</p> Signup and view all the answers

    What was the result of the development of smaller computers throughout the 20th century?

    <p>Decreased processing time</p> Signup and view all the answers

    What spurred many advancements in electronic computing in the mid-20th century?

    <p>World War 2</p> Signup and view all the answers

    What was the key innovation of the ENIAC computer?

    <p>It was a general-purpose computer</p> Signup and view all the answers

    What was the main difference between the ENIAC and EDVAC computers?

    <p>ENIAC used decimal, while EDVAC used binary</p> Signup and view all the answers

    What was the main application of the UNIVAC computer?

    <p>Census taking</p> Signup and view all the answers

    What was the significance of the development of personal computers in the 1970s?

    <p>It led to the development of smaller computers</p> Signup and view all the answers

    What was the main innovation of the Windows operating system?

    <p>It was the first operating system to use a graphical interface</p> Signup and view all the answers

    What was the result of the trend towards smaller computers throughout the 20th century?

    <p>The development of personal devices such as graphing calculators and laptops</p> Signup and view all the answers

    What was the main difference between the Bombe and Enigma computers?

    <p>The Bombe was used for deciphering secret codes, while the Enigma was used for encoding secret messages</p> Signup and view all the answers

    What was the significance of the development of the EDVAC computer?

    <p>It was the first computer to use binary</p> Signup and view all the answers

    What was the main innovation of the Apple Computer?

    <p>It was the first personal computer</p> Signup and view all the answers

    What was the significance of the Bombe computer?

    <p>It was a forerunner of modern computers.</p> Signup and view all the answers

    What was the main advantage of the UNIVAC computer?

    <p>It could perform thousands of calculations in seconds.</p> Signup and view all the answers

    What was the trend in computer development throughout the 20th century?

    <p>Towards smaller computers with decreased processing time.</p> Signup and view all the answers

    What was the significance of the 1970s in the history of computing?

    <p>The development of personal computers.</p> Signup and view all the answers

    What was the result of the development of smaller computers throughout the 20th century?

    <p>The development of personal devices such as graphing calculators and laptops.</p> Signup and view all the answers

    What was the main innovation of the EDVAC computer?

    <p>It was the first computer to use binary instead of decimal.</p> Signup and view all the answers

    What was the main application of the ENIAC computer?

    <p>Calculating firing tables for various weapons.</p> Signup and view all the answers

    What was the significance of the development of the Apple Computer?

    <p>It was a significant development in the history of personal computers.</p> Signup and view all the answers

    What was the significance of the development of the Microsoft Windows operating system?

    <p>It offered users a graphical interface.</p> Signup and view all the answers

    What was the significance of World War 2 in the history of computing?

    <p>It spurred many advancements in electronic computing.</p> Signup and view all the answers

    Study Notes

    World War 2 and the Development of Electronic Computing

    • World War 2 spurred many advancements in electronic computing, shifting away from mechanical parts like gears or belts.
    • The German forces used the Enigma machine to encode secret messages, which led to the development of the Bombe computer by the British under Alan Turing's leadership.
    • The Bombe computer was a forerunner of modern computers, capable of deciphering the code created by the German Enigma machine.

    Early Computers

    • ENIAC (Electronic Numerical Integrator and Calculator) was completed in the 1940s as a general-purpose computer, used by the US army to calculate firing tables for various weapons.
    • EDVAC (Electronic Discrete Variable Automatic Computer) followed ENIAC, being the first computer to use binary instead of decimal.
    • UNIVAC (Universal Automatic Computer) was the first commercially produced electronic computer in the US, used for census taking and capable of performing thousands of calculations in seconds.

    Personal Computers

    • The 1970s saw the development of personal computers, with the Apple Computer being created in 1976 by Steve Jobs, Steve Wozniak, and Ronald Wayne.
    • Bill Gates and Paul Allen founded Microsoft in 1975, releasing the Windows operating system in 1985, which offered users a graphical interface.

    Advances in Computing Technology

    • Throughout the 20th century, technology was developed to create smaller computers while decreasing processing time, leading to the development of personal devices such as:
      • Graphing Calculators
      • Desktop or personal computers (PC)
      • Laptop or notebook computers
      • Tablets

    World War 2 and the Development of Electronic Computing

    • World War 2 spurred many advancements in electronic computing, shifting away from mechanical parts like gears or belts.
    • The German forces used the Enigma machine to encode secret messages, which led to the development of the Bombe computer by the British under Alan Turing's leadership.
    • The Bombe computer was a forerunner of modern computers, capable of deciphering the code created by the German Enigma machine.

    Early Computers

    • ENIAC (Electronic Numerical Integrator and Calculator) was completed in the 1940s as a general-purpose computer, used by the US army to calculate firing tables for various weapons.
    • EDVAC (Electronic Discrete Variable Automatic Computer) followed ENIAC, being the first computer to use binary instead of decimal.
    • UNIVAC (Universal Automatic Computer) was the first commercially produced electronic computer in the US, used for census taking and capable of performing thousands of calculations in seconds.

    Personal Computers

    • The 1970s saw the development of personal computers, with the Apple Computer being created in 1976 by Steve Jobs, Steve Wozniak, and Ronald Wayne.
    • Bill Gates and Paul Allen founded Microsoft in 1975, releasing the Windows operating system in 1985, which offered users a graphical interface.

    Advances in Computing Technology

    • Throughout the 20th century, technology was developed to create smaller computers while decreasing processing time, leading to the development of personal devices such as:
      • Graphing Calculators
      • Desktop or personal computers (PC)
      • Laptop or notebook computers
      • Tablets

    World War 2 and the Development of Electronic Computing

    • World War 2 spurred many advancements in electronic computing, shifting away from mechanical parts like gears or belts.
    • The German forces used the Enigma machine to encode secret messages, which led to the development of the Bombe computer by the British under Alan Turing's leadership.
    • The Bombe computer was a forerunner of modern computers, capable of deciphering the code created by the German Enigma machine.

    Early Computers

    • ENIAC (Electronic Numerical Integrator and Calculator) was completed in the 1940s as a general-purpose computer, used by the US army to calculate firing tables for various weapons.
    • EDVAC (Electronic Discrete Variable Automatic Computer) followed ENIAC, being the first computer to use binary instead of decimal.
    • UNIVAC (Universal Automatic Computer) was the first commercially produced electronic computer in the US, used for census taking and capable of performing thousands of calculations in seconds.

    Personal Computers

    • The 1970s saw the development of personal computers, with the Apple Computer being created in 1976 by Steve Jobs, Steve Wozniak, and Ronald Wayne.
    • Bill Gates and Paul Allen founded Microsoft in 1975, releasing the Windows operating system in 1985, which offered users a graphical interface.

    Advances in Computing Technology

    • Throughout the 20th century, technology was developed to create smaller computers while decreasing processing time, leading to the development of personal devices such as:
      • Graphing Calculators
      • Desktop or personal computers (PC)
      • Laptop or notebook computers
      • Tablets

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    Description

    Learn about the advancements in electronic computing during World War 2, including the development of computers and code-breaking machines like Enigma and Bombe.

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